# from pymysql import connect
#
#
# class Mysqlhelp():
#     pass
#
# def connect(user='root',  # The first four arguments is based on DB-API 2.0 recommendation.
#         password="",
#         host='192.168.20.244',
#         database='ecshop',
#
#         port=3306,)
# cursor=conn.cursor()
#
# sql='select goods_sn,goods_name from ecs_goods limit 0,10'
# cursor.execute(sql)
# result=cursor.fetchmany(3)
# print(result)
#
